115802186861 has 8 divisors (see below), whose sum is σ = 116754923520. Its totient is φ = 114850089648.

The previous prime is 115802186849. The next prime is 115802186867. The reversal of 115802186861 is 168681208511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115802186861 is a prime.

It is a super-2 number, since 2×115802186861² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115802186867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207275 + ... + 523991.

It is an arithmetic number, because the mean of its divisors is an integer number (14594365440).

Almost surely, 2^115802186861 is an apocalyptic number.

It is an amenable number.

115802186861 is a deficient number, since it is larger than the sum of its proper divisors (952736659).

115802186861 is a wasteful number, since it uses less digits than its factorization.

115802186861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319723.

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 115802186861 in words is "one hundred fifteen billion, eight hundred two million, one hundred eighty-six thousand, eight hundred sixty-one".